Westlake, also known as the Westlake District, is a residential and commercial neighborhood in Central Los Angeles, California, United States. It was developed in the 1920s. Many of its elegant mansions have been turned into apartments and many new multiple-occupancy buildings have been constructed.

MacArthur Park is a park dating back to the late 19th century in the Westlake neighborhood of Los Angeles. In the early 1940s, it was renamed after General Douglas MacArthur, and later designated City of Los Angeles Historic Cultural Monument #100.